第16题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. Because it was misprinted a hundred years ago. B. Because it is rare and old. C. Because few collectors have it. D. Because it was made in British colonies. 参考答案:B 答案解析:[听力原文]
Why is a stamp worth a million and a half times its original value
[解析] 细节题。短文开头提到邮票印刷错误
第36题: [单项选择]What is the most important factor that leads to the rise in living standards of average people A. Labor unions. B. Minimum-wage laws. C. Rising productivity. D. Favorable public policy. 参考答案:C 答案解析:细节题。本题答案在第三段“If productivity is the primary determinant of living standards，other explanations must
